Patent US3314918A successfully refreshed from Google Patents.
US3314918A
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Oxymethylene polymers stabilized with a combination of cyclic amidine compounds and amino substituted amides
Assignee: Celanese Corp
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Filing: 1962-10-25
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Granted: 1967-04-18
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Expires: 1982-10-25
Abstract
No abstract record available.
Inventors
- 👤 Frank M Berardinelli
- 👤 Thomas J Dolce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:25
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/20; C08K5/29; C08K5/315; C08K5/3467; C08K5/3477; C08K5/3492; C08K5/34922
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
29 words
A MOLDABLE COMPOSITION COMPRISING AN OXYMETHYLENE POLYMER, AN AMINE-SUBSTITUTED SYMMETRICAL TRIAZINE AND A TERTIARY AMINE COMPOUND CONTAINING FROM ONE TO THREE THERMINAL AMIDE GROUPS PER TERTIARY AMINO NITROGEN ATOM.
Claim 2
Dependent Claim
29 words
A MOLDABLE COMPOSITION COMPRISING AN OXYMETHYLENE POLYMER, AN AMINE-SUBSTITUTED SYMMETRICAL TRIAZINE AND A TERTIARY AMINE COMPOUND CONTAINING FROM ONE TO THREE THERMINAL AMIDE GROUPS PER TERTIARY AMINO NITROGEN ATOM.
Claim 3
Dependent Claim
61 words
A MOLDABLE COMPOSITION COMPRISING AN OXYMETHYLENE POLYMER, AN AMINE-SUBSTITUTED SYMMETRICAL TRIAZINE, A TERTIARY AMINE COMPOUND CONTAINING FROM ONE TO THREE TERMINAL AMIDE GROUPS PER TERTIARY AMINO NITROGEN ATOM, AND A PHENOLIC STABILIZER SELECTED FROM THE GROUP CONSISTING OF ALKYLENE BISPHENOLS AND ALKYL PHENOLS CONTAINING ONE TO THREE ALKYL GROUPS, EACH OF WHICH HAS UP TO EIGHT CARBON ATOMS PER AKLYL GROUP.
Claim 4
Dependent Claim
61 words
A MOLDABLE COMPOSITION COMPRISING AN OXYMETHYLENE POLYMER, AN AMINE-SUBSTITUTED SYMMETRICAL TRIAZINE, A TERTIARY AMINE COMPOUND CONTAINING FROM ONE TO THREE TERMINAL AMIDE GROUPS PER TERTIARY AMINO NITROGEN ATOM, AND A PHENOLIC STABILIZER SELECTED FROM THE GROUP CONSISTING OF ALKYLENE BISPHENOLS AND ALKYL PHENOLS CONTAINING ONE TO THREE ALKYL GROUPS, EACH OF WHICH HAS UP TO EIGHT CARBON ATOMS PER AKLYL GROUP.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-17 | 1970-10-17 | 1971-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-17 | 1974-10-17 | 1975-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-17 | 1978-10-17 | 1979-04-18 | $7700.00 | Window Closed / Lapsed |